102215948 has 6 divisors (see below), whose sum is σ = 178877916. Its totient is φ = 51107972.

The previous prime is 102215947. The next prime is 102215963. The reversal of 102215948 is 849512201.

It is not an unprimeable number, because it can be changed into a prime (102215947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12776990 + ... + 12776997.

It is an arithmetic number, because the mean of its divisors is an integer number (29812986).

Almost surely, 2^102215948 is an apocalyptic number.

It is an amenable number.

102215948 is a deficient number, since it is larger than the sum of its proper divisors (76661968).

102215948 is a wasteful number, since it uses less digits than its factorization.

102215948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25553991 (or 25553989 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 102215948 is about 10110.1903048360. The cubic root of 102215948 is about 467.5623724534.

The spelling of 102215948 in words is "one hundred two million, two hundred fifteen thousand, nine hundred forty-eight".